/Engine/Plugins/Runtime/Synthesis/Source/Synthesis/Classes/SubmixEffects/SubmixEffectStereoToQuad.h
Process the input block of audio. Called on audio thread.
virtual void OnProcessAudio ( const [FSoundEffectSubmixInputData](API\Runtime\Engine\Sound\FSoundEffectSubmixInputData) & InData, [FSoundEffectSubmixOutputData](API\Runtime\Engine\Sound\FSoundEffectSubmixOutputData) & OutData )